Network security courses can help you learn about firewalls, intrusion detection systems, and encryption protocols. You can build skills in risk assessment, incident response, and vulnerability management. Many courses introduce tools like Wireshark for network analysis, Nessus for vulnerability scanning, and various security information and event management (SIEM) systems, showing how these skills are applied in practical work to protect networks from cyber threats.

University of Colorado Boulder
Skills you'll gain: Data Security, Cybersecurity, Data Ethics, Authentications, Data Encryption Standard, Computer Security Awareness Training, Cryptography, Information Assurance, Cyber Security Policies, Cyber Threat Intelligence, Authorization (Computing), Security Controls, Information Privacy, Encryption, Security Awareness, Human Factors (Security), Risk Analysis, Problem Solving, Communication
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Metasploit, Open Web Application Security Project (OWASP), Network Protocols, Vulnerability Assessments, Cyber Security Assessment, Exploitation techniques, Brute-force attacks, Windows PowerShell, Active Directory, Network Security, Network Analysis, Microsoft Windows, Wireless Networks, Scripting, Virtual Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Operations, Data Persistence, Exploitation techniques, Persistence, Intrusion Detection and Prevention, Scripting, Python Programming, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Medical Office Procedures, Data Management, Medical Records, Personally Identifiable Information, Data Security, Document Management, Security Controls, Information Privacy, Records Management, Taxonomy, Regulatory Compliance, Information Assurance, Encryption, Risk Analysis, Process Mapping
Beginner · Course · 1 - 4 Weeks

UiPath
Skills you'll gain: Email Automation, Web Scraping, Robotic Process Automation, Automation, Network Protocols, Data Import/Export, Unstructured Data, Document Management, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Google Cloud Platform, Cloud Development, Cloud Infrastructure, Cloud Applications, Containerization, Generative AI, Cloud Storage, Identity and Access Management, Infrastructure As A Service (IaaS), Prompt Engineering, Network Infrastructure, Virtual Machines, Virtual Networking, Load Balancing, Serverless Computing, Scalability
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Diversity Awareness, Intercultural Competence, Teamwork, Cultural Diversity, Collaboration, Verbal Communication Skills, Student Support and Services, Professional Development, English Language, Research, Professionalism, Higher Education, Communication, Adaptability, Communication Strategies, Public Speaking, Community Development, Relationship Building, Vocabulary, Writing
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Active Listening, Prospecting and Qualification, Sales Prospecting, Sales, Rapport Building, Value Propositions, Sales Pipelines, User Research, Sales Process, Persona Development, Communication, Interpersonal Communications, Customer Analysis, Cultural Responsiveness, Resilience
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Responsible AI, Data Ethics, AI Enablement, Artificial Intelligence, LLM Application, Microsoft Azure, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Application Design, Machine Learning, API Design, Model Evaluation, Deep Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Agentic systems, Responsible AI, Compliance Management, Governance, Regulatory Compliance, Artificial Intelligence, Risk Analysis, Case Studies, Business Ethics, Ethical Standards And Conduct, Risk Management, Accountability, Regulatory Requirements
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Generative Adversarial Networks (GANs), AI Security, Generative AI, Fraud detection, Model Evaluation, Feature Engineering, Cybersecurity, Cyber Security Strategy, Data Preprocessing, Anomaly Detection, Security Testing, Applied Machine Learning, Reinforcement Learning, Performance Tuning
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Data Integrity, Encryption, Authentications, Information Assurance, Data Security, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 4 Weeks